state gov Kerala PSC Degree (Common Preliminary Examination) Mock Test Series 2025 General Knowledge Geography (World Geography) Geomorphology
Which layer of the Earth extends to a depth of about 2900 km?
- Crust
- Mantle
- Core
Select the correct answer using the codes below.
1
1 only
2
2 only
3
3 only
4
1 and 3